主要包括三个文件：
1、view.php是调用程序。
2、chart.php是用来生成图表的程序。
3、gbtoutf8.php是用来中文解码的（注：已解决中英文混合不能正常显示的问题）
1、view.php
<?
include("gbtoutf8.php");
?>
<html>
<head>
<title> </title>
<meta name="author" content="xiang li">
</head>
<?
/*此处数据可从数据库中取得*/
$astr = "it,pc,phone,sever,passport,software";
$asoft = "win2000,win98,office,foxmail,outlook";
$ahard = gb2utf8("地板,窗户,玻璃,桌子,灯管,植被");
$title1 = gb2utf8('2002年it维护report');
$title2 = gb2utf8('2002年软件维护report');
$title3 = gb2utf8('2002年固定资产report');
?>
<body>
<div align="center">
<table>
<tr>
<td><input type="image" src="./chart.php?astr=<?=$astr?>&title=<?=$title1?>"></td>
</tr>
<tr><td> </td></tr>
<tr>
<td><input type="image" src="./chart.php?astr=<?=$asoft?>&title=<?=$title2?>"></td>
</tr>
<tr><td> </td></tr>
<tr>
<td><input type="image" src="./chart.php?astr=<?=$ahard?>&title=<?=$title3?>"></td>
</tr>
</table></div>
</body>
</html>
2、chart.php
<?php
/*
* 功能：生成统计图表
* 程序员：wlxz
* 日期：2002-00-00
*/
header("content-type: image/png");
$im = imagecreate (350, 280);
$col_oth = imagecolorallocate($im, 0,0,0);
$col_orn = imagecolorallocate($im, 255,192,0);
$col_yel = imagecolorallocate($im, 255,255,0);
$col_red = imagecolorallocate($im, 255,0,0);
$col_grn = imagecolorallocate($im, 0,255,0);
$col_blu = imagecolorallocate($im, 0,0,255);
$col_wit = imagecolorallocate($im, 255,255,255);
$col_array = array($col_oth, $col_orn, $col_yel, $col_red, $col_grn, $col_blu);
$dot1 = 28;
$dot2 = 20;
$font="c:/winnt/fonts/simhei.ttf";
$astr = explode(",", trim($_get['astr']));
$title = trim($_get['title']);
imagettftext($im,18,0,100,50,$col_wit,$font,$title);//写标题
for($i=1;$i<count($col_array);$i++){
imagefilledrectangle($im,50*$i-$dot2,$dot1*$i,50*$i,200,$col_array[$i]);
imagerectangle($im,50*$i-$dot2,$dot1*$i,50*$i,200,$col_wit);
imagerectangle($im,50*$i-$dot2-1,$dot1*$i-1,50*$i+1,200,$col_wit);
imagettftext($im,14,270,50*$i-15,205,$col_wit,$font,$astr[$i-1]);
// imageline($im,50*$i-$dot2,$dot1*$i,50*$i-$dot2,200,$col_wit);
imageline($im,50*$i-$dot2,$dot1*$i,50*$i,$dot1*$i,$col_wit);
}
imagerectangle($im,10,10,300,200,$col_wit);
imagerectangle($im,11,11,301,201,$col_wit);
//右边百分比
for($i=1;$i<count($col_array);$i++){
imageline($im,300,$i*33,306,$i*33,$col_wit);
$str = (100-$i*5)."%";
imagettftext($im,14,0,315,$i*33+2,$col_wit,$font,$str);
}
imagepng($im);
imagedestroy($im);
?>
3.gbtoutf8.php
<?
/*
* 功能：把gb2312编码转换成utf-8的编码
* 程序员：wlxz
* 日期：2002-00-00
*/
function gb2utf8($gb){
if(!trim($gb))
return $gb;
$filename="gb2312.txt";
$tmp=file($filename);
$codetable=array();
while(list($key,$value)=each($tmp))
$codetable[hexdec(substr($value,0,6))]=substr($value,7,6);
$ret="";
$utf8="";
while($gb){
if (ord(substr($gb,0,1))>127)
{
$this=substr($gb,0,2);
$gb=substr($gb,2,strlen($gb));
$utf8=u2utf8(hexdec($codetable[hexdec(bin2hex($this))-0x8080]));
for($i=0;$i<strlen($utf8);$i+=3)
$ret.=chr(substr($utf8,$i,3));
}
else{
$ret.=substr($gb,0,1);
$gb=substr($gb,1,strlen($gb));
}
}
return $ret;
}
function u2utf8($c){
for($i=0;$i<count($c);$i++)
$str="";
if ($c < 0x80){
$str.=$c;
}
else if ($c < 0x800){
$str.=(0xc0 | $c>>6);
$str.=(0x80 | $c & 0x3f);
}
else if ($c < 0x10000){
$str.=(0xe0 | $c>>12);
$str.=(0x80 | $c>>6 & 0x3f);
$str.=(0x80 | $c & 0x3f);
}
else if ($c < 0x200000){
$str.=(0xf0 | $c>>18);
$str.=(0x80 | $c>>12 & 0x3f);
$str.=(0x80 | $c>>6 & 0x3f);
$str.=(0x80 | $c & 0x3f);
}
return $str;
}
function gb2unicode($gb){
if(!trim($gb))
return $gb;
$filename="gb2312.txt";
$tmp=file($filename);
$codetable=array();
while(list($key,$value)=each($tmp))
$codetable[hexdec(substr($value,0,6))]=substr($value,9,4);
$utf="";
while($gb){
if (ord(substr($gb,0,1))>127){
$this=substr($gb,0,2);
$gb=substr($gb,2,strlen($gb));
$utf.="&#x".$codetable[hexdec(bin2hex($this))-0x8080].";";
}
else{
$gb=substr($gb,1,strlen($gb));
$utf.=substr($gb,0,1);
}
}
return $utf;
}
?>
